题目内容
9._________ is known to us all,only the theory _________ practice can be practical.( )A. | As; based on | B. | Which; basing on | ||
C. | As; basing on | D. | Which; based on |
分析 正如我们所知道的,只有建立以实践为基础的理论才能有实用性.
解答 答案是A.考查定语从句和非谓语.分析句子可知这是一个非限制性定语从句,主句为only the theory _________ practice can be practical,关系代词用as指代主句的意思,翻译成"正如";在主句中被修饰词theory与动词base之间是被动关系,用过去分词在句中做定语修饰theory,所以答案选A.
点评 本句是一个既有定语从句又有非谓语动词的一个复杂句,解题的时候要求考生学会分析句子的结构,判断出所要考查的句子类型,是定语从句还是名词性从句亦或是其他的固定句型,然后分析句子的成分,才能一步一步的解对题目,得出正确的答案.
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